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Retrieving objects from large image collection is challenging due to the so-called background-interference, i.e., matching between query object and reference images is usually confused by cluttered background, especially when objects are small. In this paper, we propose an object retrieval technique addressing this problem by partitioning the images. Specifically, several object proposals are partitioned...
Drought is widely distributed in the world, resulting in the shortage of water resources, decreasing groundwater storage, reducing yields of crops, and sustained severe drought even cause serious social and economic problems that affect people's life. Based on the drought monitoring theory and remote sensing data, the drought assessment in Beijing-Tianjin-Hebei(JJJ) region from 2005 to 2014 have been...
Study on change of weather and climate extremes has become an important aspect in modern climate change research. Based on the data of daily temperature from year 1957 to 2009, the spatial and temporal features of trends of extreme climate events are studied by spline function interpolation, linear regression, generalized least squares and trend analysis, and the major conclusions are summarized as...
Based on RS and GIS technology, use the landscape pattern analysis software FRAGSTATS3.3, analyzed landscape changes in Miyun county in 1990, 2000, 2009 nearly 20 years. From landscape structure, spatial distribution and relationship aspects discussed about the landscape changes. Using patch area index, path density index, edge density index, shape index, connection Index and cohesion index describe...
The optimization model of analytic hierarchy process (AHP) is introduced firstly, and then using it, air conditioning cold and heat sources are decided in a project of Qingdao City. Considering economy, technical condition, environmental impact and social benefit, each of four schemes of air conditioning cold and heat sources is analyzed quantitatively by Excel software. Finally sea water resource...
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